This paper,based on the main and failure types of cold blunt mold,such as cotlapsing,worn-away and splitting,studies the durability of fatigue failure of punches.
基于崩刃、刃口磨损、断裂等冷冲模的主要失效形式,探讨了冷冲凸模的疲劳折断耐用度,并提出了提高其耐用度的几种措施。
This paper presents a new kind of tap durability counting empiric formula which is set up by the author using the mathematical regressive analysis method.
介绍了用数学回归分析法推导出丝锥耐用度计算经验公式 ,并通过数学回归分析法中的相关系数对此公式进行检验 ,其检验与计算结果相
This paper expounds the special prop erties of stainless steel and,from a spects of the s election and determi-nation of the material,durability a nd cutting data,etc .
阐述了不锈钢的材料特性,从刀具的材料、耐用度及切削用量等的选择与确定等方面,结合理论与实践提出了不锈钢车削的好方法。
A new method of AC magnetization treatment to improve endurance of high-speed steel tool was put out.
提出了一种提高高速钢刀具耐用度的方法。
The jam of grinding wheels is a key factor that affects the endurance of grinding wheel.
砂轮堵塞是影响砂轮耐用度的重要指标,磨削液在磨削加工中起到润滑、冷却、清洗等作用,对砂轮的堵塞有着较大影响。
The relationship between endurance of hard alloy cutter edge and the e dge angle is investigated through simulating the process of cutting polyester st aple with a self-made miniature fiber cutting equipment.
在自制的小型实验性短纤维切断装置上,通过模拟涤纶短纤维的切割加工过程,对化纤切断刀刃口角度与耐用度之间的关系进行了研究。
The relationships between cutting speed, feed rate, cutting depth and cutting tool life and surface roughness are researched and the wear mechanism is analyzed.
用陶瓷刀具、涂层刀具和硬质合金刀具进行了铁基粉末冶金零件的干切削对比试验,研究了切削速度、切削深度以及进给速度与刀具耐用度和加工表面粗糙度的关系,分析了陶瓷刀具的磨损机理。
S tools treated by magnetic field when cutting45 steel and revealed the main reasons which may influence the cutting tool life treated by magnetic field.
本文通过对脉冲磁场处理高速钢刀具切削４５钢的系统研究，确定了带磁切削能提高刀具耐用度的主要原因。
Study on durability of Pd/C catalyst for catalytic hydrogenation of m mononitrophenyl-β-hydroxyethyl sulfone;
m-β-羟乙基砜硝基苯催化加氢过程中Pd/C催化剂耐用性的研究
Durability Evaluation of Glass Fiber Reinforced Vinyl Ester Resin Composites;
玻璃纤维增强乙烯基酯树脂复合材料在硫酸介质中的耐用性评价
Through analysis of spinning practice regarding durability of the cot with the same hardness from both at home and abroad as well as spinning quality,conclusion is made that the domestic cot LXC-60 can be a substitution of the same kind from abroad.
通过对国产与进口同硬度胶辊的耐用性能和成纱质量的对比分析,说明了国产LXC-60型胶辊在一定条件下替代进口胶辊的可行性。